83 lines
2.8 KiB
HTML
83 lines
2.8 KiB
HTML
<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
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<link rel="stylesheet" href="/css/style.css" />
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<title>平移</title>
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<script src="/lib/p5/p5.min.js"></script>
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<script src="/lib/p5/addons/p5.sound.min.js"></script>
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<script src="/lib/utils.js"></script>
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<script>
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let x,
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y,
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z = 50;
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function setup() {
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createCanvas(800, 800);
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colorMode(HSB);
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x = createSlider(-width / z, width / z, 0, 1);
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x.position(10, 10);
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y = createSlider(-height / z, height / z, 0, 1);
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y.position(180, 10);
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}
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function draw() {
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background(50);
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drawGrid(255, 32, 50);
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noStroke();
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fill(0, 0, 0, 1);
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text(
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`向${x.value() < 0 ? "左" : "右"}平移 ${abs(x.value())}`,
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10,
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10
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);
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text(
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`向${y.value() < 0 ? "上" : "下"}平移 ${abs(y.value())}`,
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180,
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10
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);
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push();
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translate(width / 2, height / 2);
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stroke(128, 50, 50, 1);
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noFill();
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beginShape();
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vertex(0 * z, 0 * z);
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vertex(0 * z, -3 * z);
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vertex(1 * z, -2 * z);
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vertex(1 * z, 0 * z);
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endShape(CLOSE);
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beginShape();
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vertex(-2 * z, 0 * z);
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vertex(3 * z, 0 * z);
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vertex(2 * z, 1 * z);
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vertex(-1 * z, 1 * z);
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endShape(CLOSE);
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stroke(128, 100, 100, 1);
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fill(128, 100, 100, 0.5);
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beginShape();
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vertex((0 + x.value()) * z, (0 + y.value()) * z);
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vertex((0 + x.value()) * z, (-3 + y.value()) * z);
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vertex((1 + x.value()) * z, (-2 + y.value()) * z);
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vertex((1 + x.value()) * z, (0 + y.value()) * z);
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endShape(CLOSE);
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beginShape();
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vertex((-2 + x.value()) * z, (0 + y.value()) * z);
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vertex((3 + x.value()) * z, (0 + y.value()) * z);
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vertex((2 + x.value()) * z, (1 + y.value()) * z);
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vertex((-1 + x.value()) * z, (1 + y.value()) * z);
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endShape(CLOSE);
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pop();
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textInfo("平移", "2023/01/06");
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}
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</script>
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</head>
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<body>
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<main></main>
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</body>
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</html>
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